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Date: Tue, 4 Feb 2014 13:02:21 -0800 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Richard Weinberger <richard@....at>, "David S. Miller" <davem@...emloft.net> Subject: [PATCH 3.10 078/104] net,via-rhine: Fix tx_timeout handling 3.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Richard Weinberger <richard@....at> [ Upstream commit a926592f5e4e900f3fa903298c4619a131e60963 ] rhine_reset_task() misses to disable the tx scheduler upon reset, this can lead to a crash if work is still scheduled while we're resetting the tx queue. Fixes: [ 93.591707] BUG: unable to handle kernel NULL pointer dereference at 0000004c [ 93.595514] IP: [<c119d10d>] rhine_napipoll+0x491/0x6 Signed-off-by: Richard Weinberger <richard@....at> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/net/ethernet/via/via-rhine.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1611,6 +1611,7 @@ static void rhine_reset_task(struct work goto out_unlock; napi_disable(&rp->napi); + netif_tx_disable(dev); spin_lock_bh(&rp->lock); /* clear all descriptors */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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